1840013464747 has 4 divisors (see below), whose sum is σ = 1857209852376. Its totient is φ = 1822817077120.

The previous prime is 1840013464693. The next prime is 1840013464759. The reversal of 1840013464747 is 7474643100481.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1840013464747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1840013464747.

It is not an unprimeable number, because it can be changed into a prime (1840013464447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8598193654 + ... + 8598193867.

It is an arithmetic number, because the mean of its divisors is an integer number (464302463094).

Almost surely, 2^{1840013464747} is an apocalyptic number.

1840013464747 is a deficient number, since it is larger than the sum of its proper divisors (17196387629).

1840013464747 is a wasteful number, since it uses less digits than its factorization.

1840013464747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17196387628.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 1840013464747 in words is "one trillion, eight hundred forty billion, thirteen million, four hundred sixty-four thousand, seven hundred forty-seven".